Sevens rugby It’s been called the toughest sport, and it’s hard to argue. Teams representing 16 countries, including the U.S., scrum it out over two days. February 12 & 13, $50-$90, Sam Boyd Stadium.

Greg Proops News flash for those who miss him in Whose Line Is It Anyway?: Proops is still one of the best improv comics around. February 10-12, $40, Playboy Comedy Club.

San Diego State at UNLV Beat writer Ryan Greene thinks the Rebels need a win against the nation’s No. 6 team to lock up an NCAA berth. February 12, 5 p.m., $12-$35.

Dam Short Film Fest Boulder City’s compact-storytelling showcase continues. Notable programs highlight local filmmakers and works from Iran. Through February 12, Boulder Theatre, damshortfilm.org.

Valentine’s zipline What’s better than flying down Fremont with a spouse, partner, date or someone cool you just met? Doing it for a good cause. February 14, noon-midnight, $15-$20, benefits Nevada Childhood Cancer Foundation.

Black Rebel Motorcycle Club How much would you pay to see the leathery LA garage rockers? Don’t answer—these Cosmo shows are our favorite form of cheap: free. February 15, 10 p.m.; February 16, 10 p.m. & midnight; Book & Stage.

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Letter to Lola Ignore the innocent demeanor; Lola’s nothing but trouble. See what local writer Alissa Nutting has to say about the golden-haired hussy (once a bisque doll) in her lengthy missive on display at Trifecta Gallery. Through February 25.

The Taking Tree Shrill Travesty’s parody of Shel Silverstein’s The Giving Tree. You’re set from the start: “The tree was his best friend, which shows you what a loser kid he was.” $17.